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Full text of "Rapid Population Growth Consequences And Policy Implications"

$ 2000 -
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10                     20                      30                      40                     50                     60                     70
PERCENT OF POPULATION IN URBAN AREAS
Figure 2. Per capita GNP and percent of population in urban Source: Table 3.
nature of the fuels used, the equipment used in their consum] local airshed conditions. Whatever the sources, air pollution crease with great rapidity.
Pure Water
Pure water has long been recognized as a kind of resource z tion agriculture, and some mining areas have faced problem supply and potability. Today water is a resource of increasin populations grow, cities become larger and more densely pi water-polluting industries multiply.-borne diseases.